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Finding the Fourth Proportional to 9,009.33, 13,505.77 and 4,009.06

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Solution

The fourth proportional to 9,009.33, 13,505.77 and 4,009.06 is: 6,009.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,009.33 : 13,505.77 = 4,009.06 : x
  2. Step 2: Convert to fraction form
    9,009.33/13,505.77 = 4,009.06/x
  3. Step 3: Cross multiply
    9,009.33x = 13,505.77 × 4,009.06
  4. Step 4: Simplify right side
    9,009.33x = 54,145,442.28
  5. Step 5: Solve for x
    x = 54,145,442.28/9,009.33
  6. Step 6: Final answer
    x = 6,009.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.